The most reasonably priced component used on the Cr250r Elsinore 1992 (n) Spain Generator/c.d.i. Unit/ Left Crankcase Cover is the Screw Washer 6x28.
In this schematic the "Screw Washer 6x28" is used most often.
A sample from the products for the Generator/c.d.i. Unit/ Left Crankcase Cover include: Susp.cdi Unit, Ac Gen,flywheel, Washer,plain,12mm, Bolt,flange,dr,6x.